Relay Hat for Raspberry Pi - 8 relays with optoisolation - 5A / 250VAC / 30VDC contacts - 5V coil - Waveshare 15423

Index: WSR-13301 EAN: 5904422320423

The module with the HAT shield for Raspberry Pi is equipped with eight HLS8L relays with a coil powered with a voltage of 5 V along with optoelectronic insulation. The system allows you to control actuators using microcontroller's ports or any development kit.

Relay Hat for Raspberry Pi - 8 relays with optoisolation - 5A / 250VAC / 30VDC contacts - 5V coil...
€16.67 tax excl.
Delivery 10 pcs scheduled for 2024-07-05
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Manufacturer: Waveshare
Compatibility: Raspberry Pi


The module allows to control the actuators consuming the current of up to5 A using microcontroller's ports or any development kit (includingArduino,Raspberry PiandSTM32Discovery).Optoisolation seperates the control signal from the part associated with the power of relay, thereby providing work safety of the system management. Board has been adapted to work withthe Raspberry Pi A+/B+/2B/3B/3B+as HAT shield,it also has a case with bracket for mountingon a DIN railanda set of spacers and screws. The manufacturerprovides the instruction with examples of using wiringPi, bcm2835, python, python-bottle (control via the website) and crontab.


For proper operation, it is sufficient to connectthe Raspberry Pito the slot for the GPIO pins. Pins are the standard ARK screw connection that enable the easy connection without soldering. In addition, it is possible to change the default control pins using jumpers. If necessary, you can cut the PCB at the specified place andturn it into a traditional module with relays without the HAT shield. In this case, you need to connect 5 V to the relay coils through ARK screw connection, the ground of the system GND and control pins to the connectors CH1 ... CH8.

Ośmiokanałowy moduł przekaźników

The relay has the following pins

  • GPIO slot- power supply and control of relays using the Raspberry Pi as the HAT shield
  • ARK A, B, C connectors- relay contacts
  • CH1 ... CH8jumpers- change of the default control pins of GPIO
  • ARK 5 V, GND and CH1 ... CH8 connectors - power supply of 5 V and relay control (without HAT shield)


  • Compatibility:Raspberry Pi A+/B+/2B/3B/3B+
  • The possibility to change the default pins using jumpers
  • Supply voltage: 5 V
  • Activated by the low status
  • Control signal: 3.3 V/5 V
  • Relay HLS8L-DC5V-S-C
    • Coil voltage: 5 V
    • The maximum voltage of contacts: 250 VAC, 30 VDC
    • Maximum current: 5 A
  • Optoelectronic insulation
  • 8 LEDs signaling the relay's start
  • Board sizes: 232 x 72 mm
  • Diameter of mounting holes: 3 mm

Examples of application

  • Driver of lighting
  • The driver of executive systems
  • Switch for electric devices, including motors


Channels 8
Interface Digital I / O
Test 4
Package width 10 cm
Package height 5 cm
Package depth 28 cm
Package weight 0.3 kg



Question: Good day, Can I connect such a module plus some touch screen to one device?
Answer: Taking into account the fact that the mentioned module has pins suitable for directly plugging Raspberry into it, it will be best to choose a screen that communicates via HDMI or DSI.

Product reviews

Relay Hat for Raspberry Pi - 8 relays with optoisolation - 5A / 250VAC / 30VDC contacts - 5V coil - Waveshare 15423


Average grade


Customers opinion
The following opinions are collected
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and come from the post-purchase process.
Paweł 14.05.2023 Confirmed purchase Translated review
Everything ok, works great with opensprinkler software (on raspberry pi)
Pavel 03.04.2023 Confirmed purchase Translated review
I have nothing to add. I made the record purposefully, so I have no reservations. All fully functional.
Jacek 26.01.2023 Confirmed purchase Translated review
Calm, cool, cool
Tomek B. 30.08.2021 Confirmed purchase Translated review
Requires RPi upside down installation, but works fine
Adam L. 15.06.2021 Confirmed purchase Translated review
Good product, but no proper documentation. The flyer is not documentation, and I don't have time for reverse engineering
Konrad M. 05.05.2021 Confirmed purchase Translated review
solid workmanship,
Michał D. 13.04.2021 Confirmed purchase Translated review
ideal for installation in a switchboard, however, it is necessary to properly design the distribution of the switchboard in advance, because I made a mistake and left the rail below the mounted S-bus free, which makes it difficult to conduct cabling.

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